/* $OpenBSD: cmd-copy-mode.c,v 1.56 2026/10/09 13:12:14 nicm Exp $ */

/*

 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>

 *

 * Permission to use, copy, modify, and distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER

 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING

 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

#include <sys/types.h>

#include "tmux.h"

/*

 * Enter copy or clock mode.

 */

static enum cmd_retval  cmd_copy_mode_exec(struct cmd *, struct cmdq_item *);

const struct cmd_entry cmd_copy_mode_entry = {

  .name = "copy-mode",

  .description = "Enter copy mode.",

  .alias = NULL,

  .args = { "dekHMqSs:t:u", 0, 0, NULL },

  .usage = "[-dekHMqSu] [-s src-pane] " CMD_TARGET_PANE_USAGE,

  .source =  { 's', CMD_FIND_PANE, 0 },

  .target = { 't', CMD_FIND_PANE, 0 },

  .flags = CMD_AFTERHOOK|CMD_READONLY,

  .exec = cmd_copy_mode_exec

};

const struct cmd_entry cmd_clock_mode_entry = {

  .name = "clock-mode",

  .description = "Show a large clock in a pane.",

  .alias = NULL,

  .args = { "t:", 0, 0, NULL },

  .usage = CMD_TARGET_PANE_USAGE,

  .target = { 't', CMD_FIND_PANE, 0 },

  .flags = CMD_AFTERHOOK,

  .exec = cmd_copy_mode_exec

};

static enum cmd_retval

cmd_copy_mode_exec(struct cmd *self, struct cmdq_item *item)

{

  struct args   *args = cmd_get_args(self);

  struct key_event  *event = cmdq_get_event(item);

  struct cmd_find_state *source = cmdq_get_source(item);

  struct cmd_find_state *target = cmdq_get_target(item);

  struct client   *c = cmdq_get_client(item);

  struct session    *s;

  struct window_pane  *wp = target->wp, *swp;

  u_int      tty_ox, tty_oy, tty_sx, tty_sy;

  int      line_numbers;

  if (args_has(args, 'q')) {

    window_pane_reset_mode_all(wp);

    return (CMD_RETURN_NORMAL);

  }

  if (args_has(args, 'M')) {

    if ((wp = cmd_mouse_pane(&event->m, &s, NULL)) == NULL)

      return (CMD_RETURN_NORMAL);

    if (c == NULL || c->session != s)

      return (CMD_RETURN_NORMAL);

  }

  if (cmd_get_entry(self) == &cmd_clock_mode_entry) {

    window_pane_set_mode(wp, NULL, &window_clock_mode, item, NULL,

        NULL);

    return (CMD_RETURN_NORMAL);

  }

  if (args_has(args, 's'))

    swp = source->wp;

  else

    swp = wp;

  line_numbers = 1;

  if (event != NULL && KEYC_IS_MOUSE(event->key))

    line_numbers = 0;

  if (!window_pane_set_mode(wp, swp, &window_copy_mode, item, NULL,

      args)) {

    window_copy_set_line_numbers(wp, line_numbers);

    if (args_has(args, 'M'))

      window_copy_start_drag(c, &event->m);

  } else

    window_copy_set_line_numbers(wp, line_numbers);

  if (args_has(args, 'u'))

    window_copy_pageup(wp, 0);

  if (args_has(args, 'd'))

    window_copy_pagedown(wp, 0, args_has(args, 'e'));

  if (args_has(args, 'S')) {

    if (c == NULL)

      return (CMD_RETURN_NORMAL);

    tty_window_offset(&c->tty, &tty_ox, &tty_oy, &tty_sx, &tty_sy);

    window_copy_scroll(wp, c->tty.mouse_slider_mpos, event->m.y,

        tty_oy, args_has(args, 'e'));

    return (CMD_RETURN_NORMAL);

  }

  return (CMD_RETURN_NORMAL);

}